78783680

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1497

約数の個数: 56

約数和(自身を含む): 188732160

約数和(自身を除く): 109948480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1289, 1528, 1910, 2578, 3056, 3820, 5156, 6112, 6445, 7640, 10312, 12224, 12890, 15280, 20624, 25780, 30560, 41248, 51560, 61120, 82496, 103120, 206240, 246199, 412480, 492398, 984796, 1230995, 1969592, 2461990, 3939184, 4923980, 7878368, 9847960, 15756736, 19695920, 39391840, 78783680]

約数ペア:

[(1, 78783680), (2, 39391840), (4, 19695920), (5, 15756736), (8, 9847960), (10, 7878368), (16, 4923980), (20, 3939184), (32, 2461990), (40, 1969592), (64, 1230995), (80, 984796), (160, 492398), (191, 412480), (320, 246199), (382, 206240), (764, 103120), (955, 82496), (1289, 61120), (1528, 51560), (1910, 41248), (2578, 30560), (3056, 25780), (3820, 20624), (5156, 15280), (6112, 12890), (6445, 12224), (7640, 10312)]